RANKING · 2020 CENSUS · 36 SHOWN OF 36

Largest Irish population, Oregon counties · 2020

Oregon counties ranked by the number of residents who are Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 36 counties in Oregon that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2010

01Multnomah County, OROR795,39187,081−0%

02Washington County, OROR611,70857,501−8%

03Lane County, OROR381,58449,857+4%

04Clackamas County, OROR426,28044,905−9%

05Marion County, OROR355,77730,504−10%

06Deschutes County, OROR213,07227,586+16%

07Jackson County, OROR221,79526,826−5%

08Douglas County, OROR111,95114,018−22%

09Linn County, OROR132,84313,312−8%

10Yamhill County, OROR110,02412,973+10%

11Josephine County, OROR87,86711,507−10%

12Benton County, OROR97,7289,399−17%

13Polk County, OROR90,0378,624+13%

14Coos County, OROR63,9927,361−8%

15Klamath County, OROR70,2747,271−26%

16Umatilla County, OROR81,1196,795−29%

17Lincoln County, OROR50,6366,460−4%

18Columbia County, OROR54,0916,399−10%

19Clatsop County, OROR40,9264,990−4%

20Tillamook County, OROR27,3843,756+24%

21Curry County, OROR22,6213,262+3%

22Union County, OROR25,9002,872−36%

23Malheur County, OROR32,2612,419−25%

24Crook County, OROR27,5642,385−12%

25Wasco County, OROR26,3102,159−18%

26Hood River County, OROR23,7201,931−10%

27Jefferson County, OROR25,7401,912−6%

28Baker County, OROR16,6581,430−40%

29Lake County, OROR8,1871,191−22%

30Morrow County, OROR12,602904−24%

31Harney County, OROR7,380677−39%

32Wallowa County, OROR7,595667−34%

33Grant County, OROR7,075494−47%

34Gilliam County, OROR1,971277+3%

35Wheeler County, OROR1,472226−22%

36Sherman County, OROR2,051157−34%

SHOWING 1–36 OF 36

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS